xref: /freebsd/libexec/rc/rc.shutdown (revision 5f4c09dd85bff675e0ca63c55ea3c517e0fddfcc)
1#!/bin/sh
2#
3# Copyright (c) 1997  Ollivier Robert
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27#
28
29# Site-specific closing actions for daemons run by init on shutdown,
30# or before going single-user from multi-user.
31# Output and errors are directed to console by init, and the
32# console is the controlling terminal.
33
34stty status '^T' 2> /dev/null
35
36# Set shell to ignore SIGINT (2), but not children;
37# shell catches SIGQUIT (3) and returns to single user after fsck.
38trap : 2
39trap : 3	# shouldn't be needed
40
41HOME=/
42PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
43export HOME PATH
44
45rc_shutdown=${1:-"unspecified"}
46
47. /etc/rc.subr
48
49load_rc_config
50
51# reverse_list list
52#	print the list in reverse order
53#
54reverse_list()
55{
56	_revlist=
57	for _revfile in $*; do
58		_revlist="$_revfile${script_name_sep}$_revlist"
59	done
60	echo $_revlist
61}
62
63# If requested, start a watchdog timer in the background which
64# will terminate rc.shutdown if rc.shutdown doesn't complete
65# within the specified time.
66#
67_rcshutdown_watchdog=
68if [ -n "$rcshutdown_timeout" ]; then
69	debug "Initiating watchdog timer."
70	sleep $rcshutdown_timeout && (
71		_msg="$rcshutdown_timeout second watchdog"
72		_msg="$_msg timeout expired. Shutdown terminated."
73		logger -t rc.shutdown "$_msg"
74		echo
75		echo "$_msg"
76		date
77		kill -KILL $$ >/dev/null 2>&1
78	) &
79	_rcshutdown_watchdog=$!
80fi
81
82# Determine the shutdown order of the /etc/rc.d scripts,
83# and perform the operation
84#
85rcorder_opts="-k shutdown"
86if [ `/sbin/sysctl -n security.jail.jailed` -eq 1 ]; then
87	rcorder_opts="$rcorder_opts -s nojail"
88	if [ `/sbin/sysctl -n security.jail.vnet` -ne 1 ]; then
89		rcorder_opts="$rcorder_opts -s nojailvnet"
90	fi
91fi
92
93case ${local_startup} in
94[Nn][Oo] | '') ;;
95*)     find_local_scripts_new ;;
96esac
97
98files=`rcorder ${rcorder_opts} /etc/rc.d/* ${local_rc} 2>/dev/null`
99
100for _rc_elem in `reverse_list $files`; do
101	debug "run_rc_script $_rc_elem faststop"
102	run_rc_script $_rc_elem faststop
103done
104
105# Terminate the background watchdog timer (if it is running)
106#
107if [ -n "$_rcshutdown_watchdog" ]; then
108	pkill -TERM -P $_rcshutdown_watchdog >/dev/null 2>&1
109fi
110
111# Insert other shutdown procedures here
112
113
114echo '.'
115exit 0
116